 |
- cylindrical thalli,
formed by free-living branchlets,
simple or variously ramified;
- tetrasporangial conceptacles multiporate, sunken in the thallus.
tab. 9
|
i
|
ii
|
|
 |
- subspherical thalli,
with sparse anastomosed adventitious
lamellae of nearly equal height, forming globoid-shaped thalli;
- tetrasporangial conceptacles uniporate (columella frequently
present (see c )), sunken in the thallus.
Lithophyllum dentatum
|
i
|
ii
|
|
|
 |
- subspherical thalli,
with lumpy excrescences
(sometimes variously ramified);
- tetrasporangial conceptacles uniporate or multiporate, more or less superficial.
tab. 10
|
|
i
|

ii |
|
|
 |
|